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Annotation of sys/arch/sparc64/dev/lpt_ebus.c, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: lpt_ebus.c,v 1.8 2003/12/16 15:04:56 jason Exp $      */
        !             2: /*     $NetBSD: lpt_ebus.c,v 1.8 2002/03/01 11:51:00 martin Exp $      */
        !             3:
        !             4: /*
        !             5:  * Copyright (c) 1999, 2000 Matthew R. Green
        !             6:  * All rights reserved.
        !             7:  *
        !             8:  * Redistribution and use in source and binary forms, with or without
        !             9:  * modification, are permitted provided that the following conditions
        !            10:  * are met:
        !            11:  * 1. Redistributions of source code must retain the above copyright
        !            12:  *    notice, this list of conditions and the following disclaimer.
        !            13:  * 2. Redistributions in binary form must reproduce the above copyright
        !            14:  *    notice, this list of conditions and the following disclaimer in the
        !            15:  *    documentation and/or other materials provided with the distribution.
        !            16:  * 3. The name of the author may not be used to endorse or promote products
        !            17:  *    derived from this software without specific prior written permission.
        !            18:  *
        !            19:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
        !            20:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
        !            21:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
        !            22:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
        !            23:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
        !            24:  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
        !            25:  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
        !            26:  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
        !            27:  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            28:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            29:  * SUCH DAMAGE.
        !            30:  */
        !            31:
        !            32: /*
        !            33:  * NS Super I/O PC87332VLJ "lpt" to ebus attachment
        !            34:  */
        !            35:
        !            36: #include <sys/types.h>
        !            37: #include <sys/param.h>
        !            38: #include <sys/systm.h>
        !            39: #include <sys/device.h>
        !            40: #include <sys/tty.h>
        !            41:
        !            42: #include <machine/bus.h>
        !            43:
        !            44: #include <sparc64/dev/ebusreg.h>
        !            45: #include <sparc64/dev/ebusvar.h>
        !            46:
        !            47: #include <dev/ic/lptvar.h>
        !            48:
        !            49: struct lpt_ebus_softc {
        !            50:        struct lpt_softc sc_lpt;
        !            51:        bus_space_handle_t sc_ctrl;
        !            52: };
        !            53:
        !            54: int    lpt_ebus_match(struct device *, void *, void *);
        !            55: void   lpt_ebus_attach(struct device *, struct device *, void *);
        !            56:
        !            57: struct cfattach lpt_ebus_ca = {
        !            58:        sizeof(struct lpt_ebus_softc), lpt_ebus_match, lpt_ebus_attach
        !            59: };
        !            60:
        !            61: int
        !            62: lpt_ebus_match(parent, match, aux)
        !            63:        struct device *parent;
        !            64:        void *match;
        !            65:        void *aux;
        !            66: {
        !            67:        struct ebus_attach_args *ea = aux;
        !            68:
        !            69:        if (!strcmp(ea->ea_name, "ecpp") ||
        !            70:            !strcmp(ea->ea_name, "parallel"))
        !            71:                return (1);
        !            72:        return (0);
        !            73: }
        !            74:
        !            75: void
        !            76: lpt_ebus_attach(parent, self, aux)
        !            77:        struct device *parent, *self;
        !            78:        void *aux;
        !            79: {
        !            80:        struct lpt_ebus_softc *sc = (void *)self;
        !            81:        struct ebus_attach_args *ea = aux;
        !            82:
        !            83:
        !            84:        if (ebus_bus_map(ea->ea_memtag, 0,
        !            85:            EBUS_PADDR_FROM_REG(&ea->ea_regs[0]), ea->ea_regs[0].size,
        !            86:            0, 0, &sc->sc_lpt.sc_ioh) == 0) {
        !            87:                sc->sc_lpt.sc_iot = ea->ea_memtag;
        !            88:        } else if (ebus_bus_map(ea->ea_iotag, 0,
        !            89:                    EBUS_PADDR_FROM_REG(&ea->ea_regs[0]), ea->ea_regs[0].size,
        !            90:                    0, 0, &sc->sc_lpt.sc_ioh) == 0) {
        !            91:                sc->sc_lpt.sc_iot = ea->ea_iotag;
        !            92:        } else {
        !            93:                printf(": can't map register space\n");
        !            94:                return;
        !            95:        }
        !            96:
        !            97:        if (ebus_bus_map(sc->sc_lpt.sc_iot, 0,
        !            98:            EBUS_PADDR_FROM_REG(&ea->ea_regs[1]), ea->ea_regs[1].size, 0, 0,
        !            99:            &sc->sc_ctrl) != 0) {
        !           100:                printf(": can't map control space\n");
        !           101:                bus_space_unmap(sc->sc_lpt.sc_iot, sc->sc_lpt.sc_ioh,
        !           102:                    ea->ea_regs[0].size);
        !           103:                return;
        !           104:        }
        !           105:
        !           106:        sc->sc_lpt.sc_flags |= LPT_POLLED;
        !           107:        printf(": polled");
        !           108:
        !           109:        lpt_attach_common(&sc->sc_lpt);
        !           110: }